Power scarf



FIG. 1 is a perspective view of a power scarf;

FIG. 2 is a front plan view of a power scarf;

FIG. 3 is a back plan view of a power scarf;

FIG. 4 is a top plan view of a power scarf;

FIG. 5 is a bottom plan view of a power scarf;

FIG. 6 is a right side plan view of a power scarf; and,

FIG. 7 is a left side plan view of a power scarf. 

I claim the ornamental design for a power scarf, substantially as shown and described. 